Unce 

1. An exclamation of cheeriness, victory, or overall happiness. When using this meaning, you must yell it and move your head back and forth in a pigeon-like manner.

2. Implying that you wish to have sex with the person your 'unce' is directed at. Often, drool is also released from the mouth while saying it with this meaning.

3. Butt

1.
Teacher: Here are your papers everyone, Joe, good job!
Joe: YES! Unce unce unce unce -walks around in circles, bobbing head back and forth-
Teacher: . . .

2.
Joe: Man, I am so happy that I aced that essay----
Sue: -whips hair around-
Joe: Unce! -drools-
Sue: GASP -slaps Joe-

3.
Joe: Oww. My cheek...
Bob: Sue again?
Joe: Yeah...but she has such a hot unce!
Bob: -nods-

Unce by Sipping Juice February 5, 2009

Unce 

Suprising or exciting, also expressing embarassment to others.

"I heard Jimmy has no parents"

some other person: "Unce"

Unce by andy July 27, 2003

Unce 

The exclamation of sexual pleasure derived from everyday, non-sexual events. And sex. What? With me?

1) Claire: What did you get on your math test?
Taylor: A hundred percent, yo.
Claire: UNCE! All over that shiiiit.

2) Claire: Look at that hot piece of booty.
Taylor: Unce-a-lunce.

Unce by Taystee Taystee October 4, 2007

Unce 

Can be related to anything sexual such as; sex, masturbation, anal.

I'm away for an Unce

or

Pfft, i'd like tae gee her an Unce.

Unce by ereheis June 15, 2012

Unce 

1. UnCe = $$$
2. UnCe also can be used as an exclimation, or in place of profanity.
(UnCe is pronounced with a soft C like the sound a snake makes 'hiss'"Un-ss" and must be spelt with alternating caps U n C e )

Infector, "Yo Shinya you see those Spade kills?"
Shinya, "UnCe son! That was money, you UnCed that guy in the ass.

Unce by Infector September 30, 2003

unce 

To make loud annoying squeal while touching or squeezing a fluffy animal or a cute person

My friend was at the bar and saw a cute guy and went up and "Unced him."

unce by kcrux October 5, 2015

Unce 

An adjective and verb, the word "Unce" is used, in adjective form, when something can't simply be described as cool. In verb form, "unce" means that you're going to do something to near perfection.

Friend: Dude, I just fucked the biggest tits in my life
Other Friend: Yooooooooo, that's mad unce

in verb form

Friend: Dude, you gonna fuck it up tonight?
Other Friend: I'm gonna be uncing this shit tonight.

Unce by IceCold Slickback Dizzy III OG May 26, 2021